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Monitoring of SARS-CoV-2 RNA in wastewater: A surveillance tool to foresee infection's evolution in the Mexican Caribbean.
Hernández-Terrones, Laura Margarita; Carrillo-Reyes, Julián; Ayala-Godoy, Jairo A; Guerrero-Ruiz, Eugenio; Vargas, Leslie Meredith García; Prado-Guevara, Bruno Abraham; Rodríguez-Abraham, Melissa Fernanda; Buitrón, Germán.
Afiliación
  • Hernández-Terrones LM; Department of Basic Sciences and Engineering, Universidad del Caribe, Cancún, Quintana Roo, Mexico.
  • Carrillo-Reyes J; Laboratory for Research on Advanced Processes for Water Treatment, Unidad Académica Juriquilla, Instituto de Ingeniería, Universidad Nacional Autónoma de México, Querétaro, Mexico.
  • Ayala-Godoy JA; Statistical Institute and Computerized Information Systems, Faculty of Business Administration, University of Puerto Rico Río Piedras Campus, San Juan, Puerto Rico.
  • Guerrero-Ruiz E; Department of Basic Sciences and Engineering, Universidad del Caribe, Cancún, Quintana Roo, Mexico.
  • Vargas LMG; Department of Basic Sciences and Engineering, Universidad del Caribe, Cancún, Quintana Roo, Mexico.
  • Prado-Guevara BA; Department of Basic Sciences and Engineering, Universidad del Caribe, Cancún, Quintana Roo, Mexico.
  • Rodríguez-Abraham MF; Department of Basic Sciences and Engineering, Universidad del Caribe, Cancún, Quintana Roo, Mexico.
  • Buitrón G; Laboratory for Research on Advanced Processes for Water Treatment, Unidad Académica Juriquilla, Instituto de Ingeniería, Universidad Nacional Autónoma de México, Querétaro, Mexico.
Water Environ Res ; 95(4): e10859, 2023 Apr.
Article en En | MEDLINE | ID: mdl-37002800
The study aims to determine SARS-CoV-2 RNA in sewage of Cancun wastewater treatment plants, the main touristic destination of Mexico, and to estimate the infected persons during the sampling period. SARS-CoV-2 RNA traces were detected in the inlet of the five plants during almost all the sampling months. However, there is no presence of SARS-CoV-2 RNA traces in the effluent of the five WWTPs during the study period. ANOVA analysis showed differences in the concentrations of RNA traces of SARS-CoV-2 between the sample dates, but no differences were found from one WWTP to another. Estimated infected individuals by Markov chain Monte Carlo simulation are higher (between 77% and 91%) than the cases reported by the health authority. Wastewater monitoring and the estimation of infected individuals are a helpful tool, because estimation provides early warning signs on how broadly SARS-CoV-2 is circulating in the city, and led to the authorities to take measures wisely. PRACTITIONER POINTS: There is no presence of SARS-CoV-2 RNA traces in the effluent of the facilities, suggesting the effectiveness of treatment. Surveillance of viral RNA concentrations at treatment plants revealed presence in the influent of five plants Estimated infected individuals by MCMC simulation are higher than cases reported by health authority Environmental surveillance approach in wastewater influent is helpful to identify the clusters and to take informed decisions.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: SARS-CoV-2 / COVID-19 Tipo de estudio: Screening_studies Límite: Humans País/Región como asunto: Mexico Idioma: En Revista: Water Environ Res Asunto de la revista: SAUDE AMBIENTAL / TOXICOLOGIA Año: 2023 Tipo del documento: Article País de afiliación: México Pais de publicación: Estados Unidos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: SARS-CoV-2 / COVID-19 Tipo de estudio: Screening_studies Límite: Humans País/Región como asunto: Mexico Idioma: En Revista: Water Environ Res Asunto de la revista: SAUDE AMBIENTAL / TOXICOLOGIA Año: 2023 Tipo del documento: Article País de afiliación: México Pais de publicación: Estados Unidos